/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.linkis.orchestrator.utils

import org.apache.linkis.orchestrator.domain.TreeNode

/**
 */
object TreeOperator {

  def mapChildren[TreeType <: TreeNode[TreeType], NewType <: TreeType](
      node: TreeType,
      f: TreeType => NewType
  ): TreeType = {
    node.withNewChildren(node.getChildren.map(f).asInstanceOf[Array[TreeType]])
    node
  }

  def transformChildren[TreeType <: TreeNode[TreeType]](
      node: TreeType,
      func: PartialFunction[TreeType, TreeType]
  ): TreeType = {
    val afterTransform = func.applyOrElse(this.asInstanceOf[TreeType], identity[TreeType])
    /* if (this eq afterTransform) {
      mapChildren(node,transformChildren(node, func))
    } else {
      afterTransform.mapChildren(_.transformChildren(func))
    } */
    node
  }

}
